SOLUTION: A jet travels 3000mi against the wind in 5 hours and 3900mi with the wind in the same amount of time. What is the rate of the jet in still air and what is the rate of the wind?

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Question 902244: A jet travels 3000mi against the wind in 5 hours and 3900mi with the wind in the same amount of time. What is the rate of the jet in still air and what is the rate of the wind?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
r + w =780 = 3900mi/5hr
r - w = 600 = 3000mi/5hr
2r = 1380mph
r = 690mph and w = 90mph 690-w+=+600